/* Shared stylesheet: Stadtteil-Landingpages + WG-Verwaltung
   Mirrors index.html design system for consistency. */
:root{
  --navy-deep:#0a1a4a; --navy:#1e3d8f; --navy-light:#2d5abd; --blue:#3d6fd8;
  --blue-pale:#eaf1ff; --blue-tint:#f4f7fd; --accent:#7FB3E0;
  --ink:#0a1530; --text:#2d3a5a; --text-mid:#5a6680; --text-mute:#8a93a8;
  --white:#ffffff; --hair:rgba(15,37,96,0.08); --hair-strong:rgba(15,37,96,0.14);
  --font:'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --ease:cubic-bezier(0.22,1,0.36,1);
  --shadow-sm:0 1px 2px rgba(15,37,96,0.05), 0 2px 8px rgba(15,37,96,0.04);
  --shadow-md:0 4px 12px rgba(15,37,96,0.06), 0 12px 32px rgba(15,37,96,0.08);
  --shadow-navy:0 10px 30px -10px rgba(30,61,143,0.5);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body{font-family:var(--font);color:var(--text);background:var(--white);line-height:1.6;font-size:16px;letter-spacing:-0.005em}
a{color:var(--navy);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--blue)}
img{max-width:100%;height:auto;display:block}

h1,h2,h3,h4{color:var(--ink);font-weight:700;line-height:1.15;letter-spacing:-0.025em}
h1{font-size:clamp(2.4rem,5.5vw,4rem);font-weight:800;letter-spacing:-0.035em;line-height:1.05}
h2{font-size:clamp(1.7rem,3.2vw,2.4rem);letter-spacing:-0.03em}
h3{font-size:clamp(1.1rem,1.6vw,1.3rem);letter-spacing:-0.015em}

.eyebrow{display:inline-flex;align-items:center;gap:10px;padding:7px 14px;background:var(--blue-pale);color:var(--navy);border-radius:999px;font-size:12px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;margin-bottom:18px}
.eyebrow::before{content:'';width:6px;height:6px;border-radius:50%;background:var(--blue)}
.eyebrow.usp{background:var(--navy);color:var(--white)}
.eyebrow.usp::before{background:var(--accent)}
.lead{font-size:clamp(1.05rem,1.5vw,1.2rem);color:var(--text-mid);line-height:1.55;max-width:720px;font-weight:400}
.wrap{max-width:1200px;margin:0 auto;padding:0 clamp(1.25rem,3vw,2rem)}

/* Header */
.header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.92);backdrop-filter:blur(20px) saturate(1.6);-webkit-backdrop-filter:blur(20px) saturate(1.6);border-bottom:1px solid var(--hair)}
.header-inner{max-width:1240px;margin:0 auto;padding:0 clamp(1.25rem,3vw,2rem);display:flex;align-items:center;justify-content:space-between;height:72px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:40px;height:40px;background:var(--navy);border-radius:9px;display:grid;place-items:center;box-shadow:var(--shadow-sm)}
.brand-mark svg{width:24px;height:24px}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-name{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-0.02em}
.brand-sub{font-size:10px;font-weight:600;letter-spacing:0.28em;color:var(--text-mute);margin-top:3px;text-transform:uppercase}
.nav{display:flex;align-items:center;gap:2px}
.nav a{padding:9px 14px;font-size:14px;font-weight:500;color:var(--text);border-radius:8px;transition:background .25s var(--ease), color .25s var(--ease)}
.nav a:hover{background:var(--blue-tint);color:var(--navy)}
.nav a.active{background:var(--blue-pale);color:var(--navy)}

.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;font-size:14px;font-weight:600;border-radius:8px;transition:transform .25s var(--ease), background .25s var(--ease), box-shadow .25s var(--ease), color .25s var(--ease);white-space:nowrap}
.btn svg{width:15px;height:15px;transition:transform .3s var(--ease)}
.btn-primary{background:var(--navy);color:var(--white);box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--navy-light);box-shadow:var(--shadow-navy);transform:translateY(-1px)}
.btn-primary:hover svg{transform:translateX(3px)}
.btn-secondary{background:var(--blue-tint);color:var(--navy)}
.btn-secondary:hover{background:var(--blue-pale)}
.btn-white{background:var(--white);color:var(--navy)}
.btn-white:hover{background:var(--blue-pale)}

/* Hero */
.hero{padding:clamp(4rem,10vh,7rem) 0 clamp(3rem,6vh,5rem);background:radial-gradient(ellipse 800px 400px at 85% 0%, rgba(125,179,224,0.15), transparent 60%), linear-gradient(180deg, var(--blue-tint) 0%, var(--white) 100%)}
.hero h1 .accent-bar{display:inline-block;width:60px;height:6px;background:var(--navy);border-radius:999px;margin-bottom:18px}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}

/* Breadcrumb */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-mute);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-mid);transition:color .2s var(--ease)}
.breadcrumb a:hover{color:var(--navy)}
.breadcrumb svg{width:12px;height:12px;opacity:0.5}

/* Section */
.section{padding:clamp(3.5rem,7vh,6rem) 0;position:relative}
.section-head{text-align:center;margin-bottom:clamp(2.5rem,5vw,3.5rem)}
.section-head .eyebrow{margin-bottom:18px}
.section-head h2{margin:0 auto;max-width:780px}
.section-head .lead{margin:16px auto 0;text-align:center}

/* Content */
.content{max-width:760px;margin:0 auto}
.content p{color:var(--text);font-size:16px;line-height:1.75;margin-bottom:16px}
.content p strong{color:var(--ink);font-weight:600}
.content ul{list-style:none;padding:0;margin:16px 0 20px}
.content ul li{position:relative;padding:6px 0 6px 26px;color:var(--text);font-size:15.5px;line-height:1.65}
.content ul li::before{content:'';position:absolute;left:0;top:14px;width:12px;height:2px;background:var(--navy);border-radius:2px}
.content h2{margin-top:2.5rem;margin-bottom:16px}
.content h3{margin-top:1.8rem;margin-bottom:10px}

/* Fact box */
.fact-box{background:var(--blue-tint);border:1px solid var(--hair);border-radius:14px;padding:24px 28px;margin:24px 0}
.fact-box h3{margin-bottom:10px;font-size:15px;color:var(--navy);letter-spacing:0.02em}
.fact-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 26px}
.fact-item{display:flex;gap:10px;font-size:14px;color:var(--text);line-height:1.5}
.fact-item strong{color:var(--ink);min-width:90px}

/* Referenz highlight */
.ref-highlight{background:linear-gradient(135deg, var(--blue-tint), var(--white));border:1px solid var(--blue-pale);border-radius:14px;padding:26px 28px;margin:24px 0;display:flex;gap:18px;align-items:flex-start}
.ref-highlight-ic{flex-shrink:0;width:48px;height:48px;border-radius:12px;background:var(--navy);color:var(--white);display:grid;place-items:center}
.ref-highlight-ic svg{width:22px;height:22px}
.ref-highlight h3{margin-bottom:6px;font-size:17px;color:var(--ink)}
.ref-highlight p{margin:0;font-size:14.5px;color:var(--text-mid);line-height:1.6}

/* Final CTA */
.final-cta{background:linear-gradient(180deg, var(--navy-deep) 0%, var(--navy) 100%);color:var(--white);position:relative;overflow:hidden}
.final-cta::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 600px 400px at 15% 20%, rgba(125,179,224,.14), transparent 50%), radial-gradient(ellipse 600px 400px at 85% 80%, rgba(61,111,216,.18), transparent 55%);pointer-events:none}
.final-cta .wrap{position:relative;z-index:1;text-align:center}
.final-cta h2{color:var(--white);margin-bottom:18px}
.final-cta p{color:rgba(255,255,255,0.75);max-width:640px;margin:0 auto 28px;font-size:17px;line-height:1.55}
.final-cta .btn-white{box-shadow:0 10px 30px -10px rgba(0,0,0,0.4)}

/* Footer */
footer{background:var(--ink);color:rgba(255,255,255,0.55);padding:40px 0 26px}
.foot-inner{max-width:1240px;margin:0 auto;padding:0 clamp(1.25rem,3vw,2rem);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
.foot-links a{font-size:13px;color:rgba(255,255,255,0.55);transition:color .2s var(--ease)}
.foot-links a:hover{color:var(--white)}
.foot-copy{font-size:13px}

@media (max-width:1024px){
  .fact-list{grid-template-columns:1fr}
}
@media (max-width:768px){
  .nav{display:none}
  .foot-inner{flex-direction:column;text-align:center}
  .ref-highlight{flex-direction:column}
}